//
// DotNetNuke - http://www.dotnetnuke.com
// Copyright (c) 2002-2010
// by Perpetual Motion Interactive Systems Inc. ( http://www.perpetualmotion.ca )
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
// documentation files (the "Software"), to deal in the Software without restriction, including without limitation 
// the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and 
// to permit persons to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or substantial portions 
// of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED 
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
// CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE.
//

using System;
using System.Collections.Generic;
using System.IO;
using DotNetNuke.Common;
using DotNetNuke.UI.Skins;
namespace DotNetNuke.Modules.Dashboard.Components.Skins
{
	public class SkinsController : IDashboardData
	{
		private static bool isFallbackSkin(string skinPath)
		{
			SkinDefaults defaultSkin = SkinDefaults.GetSkinDefaults(SkinDefaultType.SkinInfo);
			string defaultSkinPath = (Globals.HostMapPath + DotNetNuke.UI.Skins.SkinController.RootSkin + defaultSkin.Folder).Replace("/", "\\");
			if (defaultSkinPath.EndsWith("\\")) {
				defaultSkinPath = defaultSkinPath.Substring(0, defaultSkinPath.Length - 1);
			}
			return skinPath.IndexOf(defaultSkinPath, StringComparison.CurrentCultureIgnoreCase) != -1;
		}
		public static List<SkinInfo> GetInstalledSkins()
		{
			List<SkinInfo> list = new List<SkinInfo>();
			foreach (string folder in Directory.GetDirectories(Path.Combine(Globals.HostMapPath, "Skins"))) {
				if (!folder.EndsWith(Globals.glbHostSkinFolder)) {
					SkinInfo skin = new SkinInfo();
					skin.SkinName = folder.Substring(folder.LastIndexOf("\\") + 1);
					skin.InUse = isFallbackSkin(folder) || !DotNetNuke.UI.Skins.SkinController.CanDeleteSkin(folder, "");
					list.Add(skin);
				}
			}
			return list;
		}
		public void ExportData(System.Xml.XmlWriter writer)
		{
			writer.WriteStartElement("installedSkins");
			foreach (SkinInfo skin in GetInstalledSkins()) {
				skin.WriteXml(writer);
			}
			writer.WriteEndElement();
		}
	}
}
